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Recovery of oil from bituminous sands

B - Operations – Transporting – 03 – B
Patent

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Recovery of oil from bituminous sands

B - Operations – Transporting – 03 – B
Patent

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Recovery of oil from shale and the like

B - Operations – Transporting – 03 – B
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Recovery of oil from tar sand

B - Operations – Transporting – 03 – B
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Recovery of oil from tar sands

B - Operations – Transporting – 03 – B
Patent

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Recovery of oil from tar sands

B - Operations – Transporting – 03 – B
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Recovery of petalite from ores containing feldspar minerals

B - Operations – Transporting – 03 – D
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Recovery of petroleum from oil-bearing sands

B - Operations – Transporting – 03 – B
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Recovery of petroleum from tar sands

B - Operations – Transporting – 03 – B
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Recovery of platinum-group metals and other metal valuables

B - Operations – Transporting – 03 – D
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Recovery of salvageable components from waste material

B - Operations – Transporting – 03 – B
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Recovery of soluble products from coaly substances

B - Operations – Transporting – 03 – B
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Recovery of suspended materials from gases

B - Operations – Transporting – 03 – C
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Recovery of tar from tar sands

B - Operations – Transporting – 03 – B
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Recovery of useful materials from refuse fuel ash

B - Operations – Transporting – 03 – B
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Recovery of values from rock asphalt, oil shales and like...

B - Operations – Transporting – 03 – B
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Recovery of values from rock asphalt, oil shales and like...

B - Operations – Transporting – 03 – B
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Recreational mining and prospecting device

B - Operations – Transporting – 03 – B
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Rectangular flotation plant

B - Operations – Transporting – 03 – D
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Reducing the water and solids contents of bitumen froth...

B - Operations – Transporting – 03 – B
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